Stadium: Court 5 Round: 44 Ground: Clay
| ITF M25 Kiseljak | 2021/05/26 08:00 | Lilian Breut v Aldin Setkic | 3-6,3-6 |
| ITF M25 Kiseljak | 2021/05/25 10:20 | Nicolas Zanellato v Lilian Breut | 6-4,3-6,8-10 |
| ITF M25 Kiseljak | 2021/05/24 12:15 | Lilian Breut v Flemming Peters | 2-6,6-3,10-7 |
| ITF M25 Kiseljak | 2021/05/23 10:45 | Lilian Breut v Joel Vincent Link | 6-0,6-1 |
| ITF M15 Brcko | 2021/05/18 08:15 | Nicolas Zanellato v Lilian Breut | 6-4,6-4 |
| ITF M15 Brcko | 2021/05/16 14:00 | Vladan Tadic v Lilian Breut | 4-6,4-6 |
| ITF M15 Prijedor | 2021/05/09 07:00 | Lilian Breut v Bozo Barun | 6-2,2-6,8-10 |
| ITF M15 Monastir | 2021/04/20 08:00 | Giorgio Ricca v Lilian Breut | 6-3,6-1 |